12053253142 has 12 divisors (see below), whose sum is σ = 21031696980. Its totient is φ = 5165679876.

The previous prime is 12053253139. The next prime is 12053253169. The reversal of 12053253142 is 24135235021.

It is a super-2 number, since 2×12053253142² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12053253142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61496092 + ... + 61496287.

It is an arithmetic number, because the mean of its divisors is an integer number (1752641415).

Almost surely, 2^12053253142 is an apocalyptic number.

12053253142 is a deficient number, since it is larger than the sum of its proper divisors (8978443838).

12053253142 is a wasteful number, since it uses less digits than its factorization.

12053253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122992395 (or 122992388 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12053253142 its reverse (24135235021), we get a palindrome (36188488163).

The spelling of 12053253142 in words is "twelve billion, fifty-three million, two hundred fifty-three thousand, one hundred forty-two".